PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20525-2Flex Shaft Assy,eng

Transdigm Inc · NSN 1680-00-051-8820 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-051-8820 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-051-8820. Primary manufacturer part number: 20525-2.
Features
  • Flex Shaft Assy,eng — FSC 1680
  • 9 verified cross-references
  • Primary manufacturer: Transdigm Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flex Shaft Assy,eng, cataloged under National Stock Number 1680-00-051-8820, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Transdigm Inc. This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFlex Shaft Assy,eng
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersTransdigm Inc (CAGE 04638); B.w. Elliott Manufacturing Co., Llc (CAGE 72166); The Boeing Company (CAGE 77272); National Pipe Co (CAGE 88797); Pennwalt Corp S S White Industrial Products Div (CAGE 97945)
Technical Specifications
ParameterValue
NSN1680-00-051-8820
Primary Part Number20525-2
Item NameFlex Shaft Assy,eng
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerTransdigm Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-216-3655899-1-R470 INTERCHANGEABLE
Resistor Network,fixed,film
Bi Technologies Corporation Div Bi Technologies Corp.
4730-01-596-1534205252 INTERCHANGEABLE
Connector,tubing,branched
G R Mfg
Cross-Reference Index
Part NumberManufacturer
20525-2 Transdigm Inc (USA)
14062-505 B.w. Elliott Manufacturing Co., Llc (USA)
A02PS254-2 The Boeing Company (USA)
SD10-2 National Pipe Co (USA)
11137Y0A2 Pennwalt Corp S S White Industrial Products Div (USA)
14062-505 Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA)
3XSK8814-33 11-16 Pennwalt Corp S S White Industrial Products Div (USA)
3XSK8814-33 11-16 S.s. White Technologies, Inc. (USA)
11137Y0A2 S.s. White Technologies, Inc. (USA)
Related Parts
5905-00-216-3655INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
899-1-R470
4730-01-596-1534INTERCHANGEABLE
CONNECTOR,TUBING,BRANCHED
205252

Frequently Asked Questions

What is NSN 1680-00-051-8820?

NSN 1680-00-051-8820 is a Flex Shaft Assy,eng, manufactured by Transdigm Inc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-051-8820?

NSN 1680-00-051-8820 has 9 cross-referenced part numbers: 20525-2 (Transdigm Inc), 14062-505 (B.w. Elliott Manufacturing Co., Llc), A02PS254-2 (The Boeing Company), SD10-2 (National Pipe Co), 11137Y0A2 (Pennwalt Corp S S White Industrial Products Div) and 4 more.

What NSN replaces 1680-00-051-8820?

There are 2 known substitutes for 1680-00-051-8820: 5905-00-216-3655, 4730-01-596-1534. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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